package cn.tedu.basic;

public class Test1 {
    public static void main(String[] args) {
        System.out.println(3 / 2);
        System.out.println(3 / 2f);

        byte a = 1;
        byte b = 2;
        byte c = (byte) (a + b);

        System.out.println(300000000L * 60 *60 *24 *365);

        System.out.println(0.9 * 0.8);

        System.out.println(3.14 / 0);
        System.out.println(0 / 0.0);
    }
}
